/Engine/Source/Runtime/Slate/Public/Framework/Text/TextLayout.h
Create the wrapping cache for the current text based upon the current scale Each line keeps its own cached state, so needs to be cleared when changing the text within a line When changing the scale, all the lines need to be cleared (see DirtyAllLineModels(ELineModelDirtyState::WrappingInformation))
void CreateWrappingCache()